210120010202 has 4 divisors (see below), whose sum is σ = 315180015306. Its totient is φ = 105060005100.

The previous prime is 210120010201. The next prime is 210120010207. The reversal of 210120010202 is 202010021012.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 206505716041 + 3614294161 = 454429^2 + 60119^2 .

It is not an unprimeable number, because it can be changed into a prime (210120010201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52530002549 + ... + 52530002552.

Almost surely, 2^210120010202 is an apocalyptic number.

210120010202 is a deficient number, since it is larger than the sum of its proper divisors (105060005104).

210120010202 is a wasteful number, since it uses less digits than its factorization.

210120010202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105060005103.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 210120010202 its reverse (202010021012), we get a palindrome (412130031214).

The spelling of 210120010202 in words is "two hundred ten billion, one hundred twenty million, ten thousand, two hundred two".